Showing 1 - 8 results of 8 for search 'Petr Sperka', query time: 0.03s Refine Results
  1. 1
    Surface Roughness Effects under High Sliding EHL Conditions

    Surface Roughness Effects under High Sliding EHL Conditions by Petr Sperka, Ivan Krupka, Martin Hartl

    Published 2016-02-01
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  2. 2
    Liquid superlubricity of lubricants containing hydroxyl groups and their aqueous solution under rolling/sliding conditions

    Liquid superlubricity of lubricants containing hydroxyl groups and their aqueous solution under rolling/sliding conditions by Tomáš Poláček, Petr Šperka, Ivan Křupka

    Published 2023-07-01
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  3. 3
    Analytical Formula for the Ratio of Central to Minimum Film Thickness in a Circular EHL Contact

    Analytical Formula for the Ratio of Central to Minimum Film Thickness in a Circular EHL Contact by Petr Sperka, Ivan Krupka, Martin Hartl

    Published 2018-09-01
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  4. 4
    On the Relation between Friction Increase and Grease Thickener Entraining on a Border of Mixed EHL Lubrication

    On the Relation between Friction Increase and Grease Thickener Entraining on a Border of Mixed EHL Lubrication by Tomas Zapletal, Petr Sperka, Ivan Krupka, Martin Hartl

    Published 2020-01-01
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    Article
  5. 5
    On the Temperature and Lubricant Film Thickness Distribution in EHL Contacts with Arbitrary Entrainment

    On the Temperature and Lubricant Film Thickness Distribution in EHL Contacts with Arbitrary Entrainment by Milan Omasta, Jakub Adam, Petr Sperka, Ivan Krupka, Martin Hartl

    Published 2018-11-01
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  6. 6
    INVESTIGATION OF FILM THICKNESS OF GREASE-LUBRICATED THRUST BEARING: FROM BALL-ON-DISC TO BEARING

    INVESTIGATION OF FILM THICKNESS OF GREASE-LUBRICATED THRUST BEARING: FROM BALL-ON-DISC TO BEARING by Josef FRYZA, Jiri KROUPA, Petr SPERKA, Ivan KRUPKA, Martin HARTL

    Published 2019-06-01
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    Article
  7. 7
    Effect of Contact Conformity on Grease Lubrication

    Effect of Contact Conformity on Grease Lubrication by Michal Okal, David Kostal, Petr Sperka, Ivan Krupka, Martin Hartl

    Published 2022-11-01
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  8. 8
    Local Effects in EHL Contacts with Oil-Impregnated Sintered Materials

    Local Effects in EHL Contacts with Oil-Impregnated Sintered Materials by Martin Ebner, Milan Omasta, Thomas Lohner, Petr Šperka, Ivan Krupka, Martin Hartl, Klaus Michaelis, Bernd-Robert Höhn, Karsten Stahl

    Published 2018-12-01
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